CVE-2001-1556

medium Apache
CVSS v3 Base Score
5.0
AV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS Score
1.8%
Exploitation probability in 30 days
Top 17% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
P
Availability
None
Published: December 31, 2001 (8900 days ago)
Last Modified: April 16, 2026
Vendor: Apache
Source: NVD

Description

The log files in Apache web server contain information directly supplied by clients and does not filter or quote control characters, which could allow remote attackers to hide HTTP requests and spoof source IP addresses when logs are viewed with UNIX programs such as cat, tail, and grep.

CWE

CWE-532

Affected Products

apache http server

References

🔗 archives.neohapsis.com 🔗 httpd.apache.org 🔗 www.iss.net 🔗 archives.neohapsis.com 🔗 httpd.apache.org